Sunday, December 23, 2007
Thursday, December 13, 2007
Wednesday, December 12, 2007
The 3rd LAW OF MOTION
The 3rd LAW OF MOTION乃是牛顿定律在维基百科找到这样的诠释《Whenever a particle A exerts a force on another particle B, B simultaneously exerts a force on A with the same magnitude in the opposite direction. The strong form of the law further postulates that these two forces act along the same line. This law is often simplified into the sentence "Every action has an equal and opposite reaction"》 
Monday, December 10, 2007
Sunday, December 02, 2007
Saturday, December 01, 2007
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